TWI638568B - Transmission method of screen transmission software, screen transmission method, wireless screen transmission device, and data transmission system - Google Patents

Abstract

The invention discloses a transmission method of a screen transmission software, comprising the steps of: receiving a handshake signal transmitted by a wireless screen device by a wireless local network, and the handshake signal is used to indicate a terminal return response signal that needs to download the wireless screen software. After determining that the terminal needs to download the wireless screen software, returning a response signal to the wireless screen device, so that the wireless screen device reads the wireless screen software from the local storage and transmits the wireless screen to the terminal; and receives the wireless Wireless screen transmission software transmitted by the screen device. The invention also provides a terminal, a screen transmission method, a wireless screen transmission device and a data transmission system. The invention can conveniently and quickly transmit the wireless screen software to the terminal by using the wireless local network, and can enable multiple terminals to simultaneously download the wireless screen software to improve the screen transmission efficiency.

Description

Transmission method, transmission method, wireless transmission device and data Transmission system

The invention relates to the field of wireless screen transmission, in particular to a transmission method, a screen transmission method, a device and a data transmission system of a screen transmission software.

The wireless screen transmission technology transmits the multimedia information of the source device, such as video and audio, to the intermediate wireless transmission device through the wireless network, and then forwards the display to the display device through the wireless transmission device. Come out, thus achieving content sharing and multi-screen interaction. However, when the source device or the display device is initially connected to the wireless screen device, the wireless screen software needs to be downloaded. In the prior art, the download method of the wireless screen software mainly includes a direct download method and a network address download method. The direct download method is to connect the wireless screen device to the source device or the display device, and read the wireless screen software stored in the wireless screen device; the network address download method is at the source device or the display device and After the wireless screen device is connected, the screen of the source device or display device pops up a network address, and clicks on the network address to download the wireless screen software. For example, in a 10-person conference, the interpreter (ie, the source device) needs to share the data file to the other 9 clients (ie, display devices) for display by the intermediate wireless screen device, when the host terminal and the 9 client terminals are displayed. When connecting to a wireless screen device for the first time, all need to be downloaded. Wireless screen software. If it is a direct download method, it is necessary to sequentially connect the wireless screen device to 10 devices, read the wireless screen software, and then install or execute it; if it is a network address download method, it is respectively 10 devices. When paired with a wireless screen device, a network address will pop up on the screen of the 10 devices. After connecting to the Internet, click to enter the network address to download the wireless screen software, and then install or execute.

In the process of implementing the present invention, the inventor has found that the existing download method of the wireless screen software has the following disadvantages: 1. The direct download method needs to sequentially connect the wireless screen device to at least one device to implement wireless screen transmission. Software download, this method is cumbersome and time consuming; 2, the network address download method overcomes the shortcomings of the direct download method, but can not download the wireless screen software without connecting to the Internet.

In view of the above problems in the prior art, various aspects of the embodiments of the present invention provide a transmission method, a transmission method, a device, and a data transmission system for a screen transmission software, which can conveniently and quickly transmit a wireless transmission screen through a wireless local network. The software is provided to the terminal, and the plurality of terminals can simultaneously download the wireless screen software to improve the transmission efficiency.

An aspect of the embodiments of the present invention provides a method for transmitting a screen software, comprising the steps of: receiving a handshake signal broadcast by a wireless local screen device by using a wireless local network; wherein the handshake signal is used to indicate that the wireless device needs to be downloaded. The terminal of the screen software returns a response signal; after determining that the terminal needs to download the wireless screen software, returning a response signal to the wireless screen device, so that the wireless screen device reads the wireless screen from the local storage device. Software, and transmitted to the terminal; and receiving the wireless screen software transmitted by the wireless screen device.

As an improvement of the foregoing solution, after receiving the wireless screen transmission software transmitted by the wireless screen device, the method further includes: executing the wireless screen transmission software; or, entering the wireless screen transmission software The line is installed, and then the wireless screen software is executed.

Another aspect of the embodiments of the present invention provides a terminal, including a signal receiving unit, a response unit, and a software receiving unit. The signal receiving unit is configured to receive a handshake signal broadcast by the wireless screen device by the wireless local network, wherein the handshake signal is used to indicate that the terminal that needs to download the wireless screen software returns a response signal. The response unit is configured to: after determining that the terminal needs to download the wireless screen transmission software, return a response signal to the wireless screen device, so that the wireless screen device reads the wireless screen software from the local storage and transmits the This terminal. The software receiving unit is configured to receive the wireless screen transmission software transmitted by the wireless screen device.

As an improvement of the above solution, the terminal further includes: an execution unit, configured to execute the wireless screen software; or, configured to install the wireless screen software, and then execute the wireless screen software.

Another aspect of the present invention provides a method for transmitting a screen software, comprising the steps of: broadcasting a handshake signal by a wireless local network to indicate that a terminal that needs to download the wireless screen software returns a response signal; and receiving the first terminal The returned response signal; and reading the wireless screen software from the local storage and transmitting to the first terminal.

As an improvement of the foregoing solution, after receiving the response signal returned by the first terminal, the method further includes: acquiring version information of the operating system used by the first terminal. Then, the wireless screen software is read from the local storage and transmitted to the first terminal, and specifically includes: selecting, from a plurality of wireless screen softwares respectively supporting different operating systems stored in the local storage, selecting and And a wireless screen software matched by the version information of the operating system used by the first terminal, and transmitted to the first terminal.

Another aspect of the embodiments of the present invention provides a wireless screen device, including a broadcast unit, a response receiving unit, and a software transmission unit. The broadcast unit is configured to broadcast a handshake signal by the wireless local network to indicate that the terminal that needs to download the wireless screen software returns a response signal. Response receiving unit Receiving a response signal returned by the first terminal. The software transmission unit is configured to read the wireless screen software from the local storage and transmit the wireless screen transmission software to the first terminal.

As a modification of the foregoing solution, the wireless screen device further includes: a version obtaining unit, configured to acquire, after receiving the response signal returned by the first terminal, version information of the operating system used by the first terminal; The software transmission unit is specifically configured to: select, from a plurality of wireless screen softwares respectively supporting different operating systems stored in the local storage, a wireless transmission that matches the version information of the operating system used by the first terminal. The screen software is transmitted to the first terminal.

Another aspect of the present invention provides a method for transmitting a screen, including the following steps: the wireless screen device broadcasts a handshake signal by a wireless local network to indicate that the terminal that needs to download the wireless screen software returns a response signal; the first terminal Receiving the handshake signal, and after determining that the terminal needs to download the wireless screen software, returning a response signal to the wireless screen device; after receiving the response signal, the wireless screen device is from the local storage Reading the wireless screen software and transmitting it to the first terminal; the first terminal receiving the wireless screen software, and after starting the wireless screen software, sending the data file to the wireless transmission The screen device; and after receiving the data file, the wireless screen device forwards the data file to the second terminal for processing.

As an improvement of the foregoing solution, after receiving the response signal, the wireless screen device reads the wireless screen software from the local storage and transmits the wireless screen software to the first terminal, specifically: the wireless screen After receiving the response signal, the device acquires version information of the operating system used by the first terminal; and selects from the plurality of wireless screen softwares respectively supporting different operating systems stored in the local storage. A wireless screen software matching the version information of the operating system used by the first terminal is transmitted to the first terminal.

Another aspect of the embodiments of the present invention provides a data transmission system including a first terminal and a wireless screen device; the first terminal is a terminal as described above; and the wireless screen device is a wireless screen device as described above.

As a modification of the foregoing solution, the data transmission system further includes a second terminal; the first terminal further includes a data sending unit, configured to send the data file to the wireless screen after the wireless screen software is activated The device further includes a data forwarding unit, configured to: after receiving the data file sent by the first terminal, forwarding the data file to the second terminal; and the second terminal is configured to: The data file is processed.

The transmission method, the transmission method, the device and the data transmission system of the screen software provided by the embodiment of the invention have the following beneficial effects: one or more terminals are connected to the wireless screen device through the wireless local network, and the wireless screen is transmitted. The device broadcasts a handshake signal through the wireless local network to notify the surrounding terminal that needs to download the wireless screen software to return a response signal; when the wireless screen device receives the response signal returned by the terminal, the wireless device reads the wireless data from the local storage device. The screen software is transmitted to the terminal, so that the terminal can subsequently activate the wireless screen software for screen transmission. According to the embodiment of the present invention, the wireless transmission software can be conveniently and quickly transmitted to the terminal through the wireless local network; in particular, when multiple terminals need to perform the transmission, each terminal can be used before the transmission is performed. The transmission method of the screen software provided by the invention quickly completes the downloading of the screen software, and the plurality of terminals can simultaneously download the wireless screen software without mutual interference, thereby greatly improving the transmission efficiency of the screen software, thereby enabling rapid screen transmission. .

20‧‧‧ Terminal, first terminal

21‧‧‧Signal receiving unit

22‧‧‧Response unit

23‧‧‧Software receiving unit

30‧‧‧second terminal

40‧‧‧Wireless screen device

42‧‧‧Response receiving unit

43‧‧‧Software transmission unit

Steps S11 to S13, S31 to S33, S51 to S55‧‧

In order to explain the technical solutions of the present invention more clearly, the drawings used in the embodiments will be briefly described below. Obviously, the drawings in the following description are only some embodiments of the present invention, In the case of ordinary knowledge, other schemas can be obtained based on these schemas without creative labor.

FIG. 1 is a schematic flow chart of an embodiment of a method for transmitting a screen software provided by the present invention.

FIG. 2 is a software diagram of a data transmission layer between a wireless screen device and a terminal according to an embodiment of the present invention; Schematic diagram of the agreement.

FIG. 3 is a schematic structural diagram of an embodiment of a terminal provided by the present invention.

FIG. 4 is a schematic flow chart of another embodiment of a method for transmitting a screen software provided by the present invention.

FIG. 5 is a schematic structural diagram of a data format of a wireless transmission device for transmitting a wireless screen transmission device according to an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of an embodiment of a wireless screen device provided by the present invention.

FIG. 7 is a schematic flow chart of an embodiment of a screen transmission method provided by the present invention.

Figure 8 is a block diagram showing an embodiment of a data transmission system provided by the present invention.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.

Please refer to FIG. 1 , which is a schematic flowchart of an embodiment of a method for transmitting a screen software provided by the present invention.

The present invention provides a method for transmitting a screen software, which may be executed by a first terminal or by a device configured on a first terminal side, and includes steps S11 to S13, as follows:

Step S11: Receive a handshake signal broadcast by the wireless screen device by the wireless local network.

The handshake signal is used to indicate that the terminal that needs to download the wireless screen software returns a response signal.

Preferably, the wireless local network is a WIFI wireless network or a Bluetooth network.

Step S12: After determining that the terminal needs to download the wireless screen software, the wireless transmission is performed to the wireless terminal. The screen device returns a response signal, so that the wireless screen device reads the wireless screen software from the local storage and transmits the wireless screen to the terminal.

Preferably, in order to provide reliable data transmission, in steps S11 and S12, the software protocol of the data transmission layer between the terminal and the wireless screen device is implemented by using three times of signal interaction, please refer to Figure 2, the principle of the agreement is: Waiting for the handshake signal sent by the wireless screen device when the terminal is to receive the data (for example, receiving the wireless screen software installation package); wherein the handshake signal is added to indicate whether the terminal needs to download the wireless The information of the screen software; when the terminal receives the handshake signal, a prompt box pops up on the screen to prompt whether the terminal needs to download the wireless screen software; after receiving the instruction selected by the user to determine the download, The generated response signal is returned to the wireless screen device for waiting for the acknowledgment signal of the wireless screen device; after receiving the acknowledgment signal, the terminal begins to receive the data. At this point, the 3 times of signal interaction is completed, and the data can be synchronously transmitted between the terminal and the wireless screen device.

It can be understood that, when the terminal receives an instruction selected by the user that does not need to be downloaded, the terminal does not generate a response signal, and does not receive the acknowledgement signal and data sent by the wireless screen device. .

Step S13: Receive the wireless screen transmission software transmitted by the wireless screen device.

In a specific implementation, after the step S13, the method further comprises:

Step S14: executing the wireless screen software; or, installing the wireless screen software, and executing the wireless screen software. The wireless screen software may be a green soft body or a non-green soft body.

The green software, also known as portable software, does not need to be installed, can be directly executed, does not perform any write operation to a directory other than the directory itself, and does not leave any records (registry information, etc.) after removal. At the terminal; the non-green software usually needs to be installed before it can be executed. It can be set according to actual needs, and the invention is not specifically limited.

The common non-green software installation process is: download the entire program installation package; perform the installer installation. During the installation process, there are processes such as configuring environment variables and installing service programs. Preferably, the installation of the wireless screen software is performed in parallel, that is, while downloading, for example, downloading the configuration environment file first, and then installing; in the continuous downloading, completing the download of a program installation package, the installation is performed. The program installation package; the installation is complete until the last program installation package is downloaded.

In a specific implementation, preferably, the transmission method of the above-mentioned screen software can be performed by the first terminal. Before the first terminal needs to be screened by the wireless screen device, the wireless screen software can be conveniently and quickly downloaded through the wireless local network. It should be noted that if a plurality of terminals need to be screened by the wireless screen device, each terminal can quickly complete the screen software by using the installation method of the screen software provided by the present invention before the screen is transmitted. The downloading, and multiple terminals can simultaneously download the wireless screen software, do not interfere with each other, greatly improve the transmission efficiency of the screen software, so that the screen can be quickly transmitted.

Correspondingly, the present invention further provides a terminal, which can execute all the processes of the transmission method of the screen software provided by the foregoing embodiment.

Please refer to FIG. 3, which is a schematic structural diagram of an embodiment of a terminal provided by the present invention.

The present invention provides a terminal 20, including a signal receiving unit 21, a response unit 22, and a software receiving unit 23, as follows: The signal receiving unit 21 is configured to receive a handshake signal broadcast by a wireless local screen device by using a wireless local network. .

The handshake signal is used to indicate that the terminal that needs to download the wireless screen software returns a response signal.

The response unit 22 is configured to: after determining that the terminal needs to download the wireless screen software, Returning a response signal to the wireless screen device, so that the wireless screen device reads the wireless screen software from the local storage and transmits the wireless screen to the terminal.

The software receiving unit 23 is configured to receive the wireless screen software transmitted by the wireless screen device.

In a specific implementation, the terminal further includes: an executing unit 24, configured to execute the wireless screen software; or, configured to install the wireless screen software, and then execute the wireless screen software.

Preferably, the signal receiving unit 21, the response unit 22, the software receiving unit 23, and the executing unit 24 may correspondingly adopt the implementation manner of steps S11 to S14 of the transmission method of the above-mentioned screen software, and therefore, The embodiments of the invention are not described repeatedly.

In a specific implementation, before the terminal needs to be screened by the wireless screen device, the wireless screen software can be conveniently and quickly downloaded through the wireless local network. It should be noted that, if multiple terminals need to be screened by the wireless screen device, each terminal can be configured with the functional unit included in the terminal provided by the present invention to quickly complete the screen software before the screen is transmitted. The downloading, and multiple terminals can simultaneously download the wireless screen software, do not interfere with each other, greatly improve the transmission efficiency of the screen software, so that the screen can be quickly transmitted.

Referring to FIG. 4, it is a schematic flowchart of another embodiment of a method for transmitting a screen software provided by the present invention.

The present invention provides a method for transmitting a screen transmission software according to another embodiment, which may be executed by a wireless screen device or by a device configured on the side of the wireless screen device, and includes steps S31 to S33, as follows:

Step S31: Broadcast the handshake signal by the wireless local network to indicate that the terminal that needs to download the wireless screen software returns a response signal.

Preferably, the wireless local network is a WIFI wireless network or a Bluetooth network.

Step S32: Receive a response signal returned by the first terminal.

Preferably, in order to provide reliable data transmission, in steps S31 and S32, the software protocol of the data transmission layer between the wireless screen device and the terminal is implemented by using three times of signal interaction, please refer to In the second figure, the principle of the protocol is: when the wireless screen device is to send data, the broadcast handshake signal notifies the terminal; wherein the handshake signal adds information for indicating whether the terminal needs to download the wireless screen software. After receiving the response signal returned by the terminal, the wireless screen transmitting device sends an acknowledgement signal to the terminal, and then sends the data; wherein the response signal is after the terminal receives the handshake signal, by The signal generated by the user after confirming the download instruction selected in the prompt box popped up on the screen is received. At this point, the 3 times of signal interaction is completed, and the synchronous transmission of data can be realized between the wireless screen device and the terminal.

It can be understood that when the terminal receives an instruction selected by the user that does not need to be downloaded, the wireless screen device does not receive the response signal returned by the terminal, and does not send the confirmation signal and the data. To the terminal.

Step S33: The wireless screen software is read from the local storage and transmitted to the first terminal.

Preferably, referring to FIG. 5, the wireless transmission device transmits the data format of the wireless screen software to: sequentially transmit a terminal, a address code, a data signal, a verification signal, and a stop code; wherein, the terminal The first terminal is configured to receive data; the address code is an IP address of the first terminal; the data signal is a data content of the wireless transmission, that is, a specific content including the wireless screen software; the verification signal is used for verification The authenticity of the data content; the stop code is used to indicate that the data transfer is completed.

In an embodiment of the present invention, after the step S32, the method further comprises:

Step S32': acquiring version information of the operating system used by the first terminal; and the step S33 includes: Selecting, from the plurality of wireless screen softwares respectively supporting different operating systems stored in the local storage, a wireless screen software matching the version information of the operating system used by the first terminal, and transmitting the wireless screen software to the The first terminal.

In a specific implementation, the operating system used by the first terminal may be acquired by using a ping command (Packet Internet Groper). The ping command is generally used to check whether the network is fluent or the network connection speed is used. In the embodiment of the present invention, the principle of using the operating system of the first terminal is: the machines on the network are unique. Determining an IP (Internet Protocol) address; when the wireless screen device sends a data packet to the first terminal, the first terminal returns a data packet; according to the TTL in the returned data packet The return value of (Time To Live) can initially determine the operating system of the first terminal. For example, TTL=32 indicates that the operating system may be win98, TTL=128 indicates that the operating system may be win2000, and TTL=250 indicates the operation. The system may be Unix. It should be noted that since the value of the TTL can be modified, the operating system of the first terminal is obtained by using the ping command, provided that the value of the TTL of the operating system used by the first terminal has not been modified.

In addition, a plurality of tools can be used to implement an operating system for acquiring the first terminal, for example, nmap (Network Mapper), which is a network connection scanning software for scanning an open network connection end of the online machine. Determining the services that are executed at the connection end, and inferring the operating system executed by the computer is one of the software that must be used by the network system administrator.

In a specific implementation, preferably, the transmission method of the above-mentioned screen software can be performed by a wireless screen device. The wireless screen device can conveniently and quickly transmit the wireless screen software to the first terminal through the wireless local network, so that the first terminal can start the wireless screen software to perform the screen transmission. It should be noted that, if a plurality of terminals need to be screened by the wireless screen device, before the screen is transmitted, the wireless screen device can transmit the wireless to the plurality of terminals by using the installation method of the screen software provided by the present invention. The screen software is used to enable multiple terminals to simultaneously download the wireless screen software without interfering with each other, greatly improving the screen transmission. The transmission efficiency of the software enables rapid screen transmission.

Correspondingly, the present invention further provides a wireless screen device, which can perform all the processes of the transmission method of the screen software provided by the above embodiments.

Please refer to FIG. 6 , which is a schematic structural diagram of an embodiment of a wireless screen device provided by the present invention.

The present invention provides a wireless screen device 40, including a broadcast unit 41, a response receiving unit 42, and a software transmission unit 43, as follows: The broadcast unit 41 is configured to broadcast a handshake signal by a wireless local network to indicate a need. The terminal that downloads the wireless screen software returns a response signal.

The response receiving unit 42 is configured to receive a response signal returned by the first terminal.

The software transmission unit 43 is configured to read the wireless screen software from the local storage and transmit the wireless screen software to the first terminal.

In an embodiment of the present invention, the wireless screen device 40 further includes: a version obtaining unit 44, configured to acquire, after receiving the response signal returned by the first terminal, the operating system used by the first terminal The software transmission unit 43 is specifically configured to: select, from the plurality of wireless screen softwares respectively supporting different operating systems stored in the local storage, the version information of the operating system used by the first terminal Matching a wireless screen software and transmitting to the first terminal.

Preferably, the broadcast unit 41, the response receiving unit 42, the software transmission unit 43, and the version obtaining unit 44 may correspondingly adopt steps S31 to S33 and step S32' of the transmission method of the above-mentioned screen software. Therefore, the embodiments of the present invention are not described repeatedly.

In a specific implementation, the wireless screen device can be conveniently fast by using a wireless local network. The gateway transmits the wireless screen software to the first terminal, so that the first terminal can subsequently activate the wireless screen software to perform the screen transmission. It should be noted that, if a plurality of terminals need to be screened by the wireless screen device, the wireless screen device may adopt the installation method of the screen software provided by the present invention before the screen is transmitted. The terminal transmits the wireless screen software so that the plurality of terminals can download the wireless screen software at the same time without mutual interference, thereby greatly improving the transmission efficiency of the screen software, thereby enabling rapid screen transmission.

In addition, the present invention further provides a method for transmitting a screen, which utilizes the transmission method of the screen software provided by the above embodiment to complete downloading of the screen software, and then starts the screen software to perform screen transmission.

Please refer to FIG. 7, which is a schematic flowchart of an embodiment of a screen transmission method provided by the present invention.

The invention provides a screen transmission method, comprising steps S51~S56, as follows:

Step S51: The wireless screen device broadcasts a handshake signal by the wireless local network to indicate that the terminal that needs to download the wireless screen software returns a response signal.

Step S52: The first terminal receives the handshake signal, and after determining that the terminal needs to download the wireless screen transmission software, returns a response signal to the wireless screen transmission device.

Step S53: After receiving the response signal, the wireless screen device reads the wireless screen software from the local storage and transmits the wireless screen software to the first terminal.

In a specific implementation, the step S53 specifically includes: after receiving the response signal, the wireless screen device acquires version information of the operating system used by the first terminal; and stores multiple pieces from the local storage. In the wireless screen software supporting different operating systems, a wireless screen software matching the version information of the operating system used by the first terminal is selected and transmitted to the first terminal.

Step S54: The first terminal receives the wireless screen software, and starts the wireless After the screen software is transmitted, the data file is sent to the wireless screen device.

Step S55: After receiving the data file, the wireless screen device forwards the data file to the second terminal for processing.

Preferably, in the specific implementation, the steps S51-S53 are used to complete the downloading of the screen software by using the transmission method of the screen software provided in the above embodiment, which is not repeated in the embodiment of the present invention.

In a specific implementation, the wireless screen device can conveniently and quickly transmit the wireless screen software to the first terminal by using a wireless local network, so that the first terminal subsequently activates the wireless screen software to quickly transmit Screen. It should be noted that, if a plurality of terminals need to be screened by the wireless screen device, each terminal can be quickly completed by using the transmission method of the screen software provided in the above embodiment before performing the screen transmission. The download of the screen software, and then start the wireless screen software for the screen, greatly improving the efficiency of the screen.

In addition, the present invention also provides a data transmission system.

FIG. 8 is a schematic structural diagram of an embodiment of a data transmission system according to an embodiment of the present invention. The data transmission system includes the first terminal 20 and the wireless screen device 40.

In an embodiment of the present invention, the data transmission system further includes a second terminal 30. The first terminal 20 further includes a data sending unit 24, configured to send the data file after starting the wireless screen software. The wireless screen device 40 further includes a data forwarding unit 45, configured to: after receiving the data file sent by the first terminal, forwarding the data file to the second terminal; The second terminal 30 is configured to process the data file.

The transmission method, the transmission method, the device and the data transmission system of the screen software provided by the embodiment of the invention have the following beneficial effects: one or more terminals are transmitted through a wireless local network and a wireless network The device is connected, and the wireless screen device broadcasts a handshake signal by the wireless local network to notify the surrounding terminal that needs to download the wireless screen software to return a response signal; when the wireless screen device receives the response signal returned by the terminal, The wireless screen software is read in the local storage and transmitted to the terminal, so that the terminal can subsequently activate the wireless screen software for screen transmission. According to the embodiment of the present invention, the wireless transmission software can be conveniently and quickly transmitted to the terminal through the wireless local network; in particular, when multiple terminals need to perform the transmission, each terminal can be used before the transmission is performed. The transmission method of the screen software provided by the invention quickly completes the downloading of the screen software, and the plurality of terminals can simultaneously download the wireless screen software without mutual interference, thereby greatly improving the transmission efficiency of the screen software, thereby enabling rapid screen transmission. .

An application scenario of the present invention is exemplified by taking the present invention into an electronic conference system as an example.

For example, in a 10-person conference, the main terminal (ie, the first terminal) and the other 9 listening terminals (ie, the second terminal) are connected to the wireless screen device through an internal local network; after the connection is established, the main speaker A prompt box is displayed on the screen of the terminal and the nine listening terminals to indicate whether the wireless screen software needs to be downloaded. When the terminal and the nine listening terminals receive the instruction to confirm the download selected by the participant, a response signal is generated and returned. The wireless screen device; the wireless screen device reads the wireless screen software from the local storage, and transmits the wireless screen software to the speaker terminal and the 9 listening terminals; the speaker terminal and the 9 terminals The listening terminal downloads the wireless screen printing software; after the startup terminal starts the wireless screen printing software, the conference terminal transmits the conference content to the wireless screen transmission device; and the wireless screen transmission device receives the transmission of the terminal terminal After the conference content is forwarded to the other nine listening terminals; the nine listening terminals receive the content of the conference and then perform processing. By adopting the embodiment of the invention, the transmission efficiency of the conference system can be greatly improved.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art can understand all or part of the process of implementing the above embodiments, and Equivalent changes made by the scope of the invention are still within the scope of the invention.

Those skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by a computer program to instruct related hardware, and the program can be stored in a computer readable storage. In the medium, the program, when executed, may include the flow of an embodiment of the methods as described above. The storage medium may be a magnetic disk, a optical disk, a read-only memory (ROM), or a random access memory (RAM).

The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

Claims (4)

A method for transmitting a screen software includes: broadcasting a handshake signal by a wireless local network to indicate that at least one terminal that needs to download a wireless screen software returns a response signal; receiving the response returned by a first terminal Transmitting the wireless screen software from a local storage device and transmitting the wireless screen transmission software to the first terminal; wherein, after receiving the response signal returned by the first terminal, the transmitting method further comprises: acquiring the first The version information of an operating system used by the terminal; wherein the wireless screen software is read from the local storage and transmitted to the first terminal, including: separately supporting different storages from the local storage In the wireless screen software of the operating system, the wireless screen software matching the version information of the operating system used by the first terminal is selected and transmitted to the first terminal. A wireless screen device, comprising: a broadcast unit, configured to broadcast a handshake signal by a wireless local network, to indicate that at least one terminal that needs to download a wireless screen software returns a response signal; and a response receiving unit, Receiving the response signal returned by a first terminal; a software transmission unit, configured to read the wireless screen transmission software from a local storage and transmit the same to the first terminal; and a version acquisition unit, configured to: After receiving the response signal returned by the first terminal, acquiring version information of an operating system used by the first terminal; the software transmission unit is configured to: support different jobs from the plurality of storages respectively stored in the local storage In the wireless screen software of the system, the version information of the operating system used by the first terminal is selected. The wireless screen software is provided and transmitted to the first terminal. A method for transmitting a screen, comprising: a wireless screen device broadcasting a handshake signal by a wireless local network to indicate that at least one terminal that needs to download a wireless screen software returns a response signal; and receiving, by the first terminal, the intersection Holding a signal, and after determining that the first terminal needs to download the wireless screen software, returning the response signal to the wireless screen device; after receiving the response signal, the wireless screen device reads from a local storage device Taking the wireless screen software and transmitting to the first terminal; the first terminal receives the wireless screen software, and after starting the wireless screen software, sending a data file to the wireless screen device; After receiving the data file, the wireless screen device forwards the data file to a second terminal for processing; wherein the wireless screen device reads the wireless screen from the local storage device after receiving the response signal. The software is transmitted to the first terminal, and includes: after receiving the response signal, the wireless screen device acquires a version of an operating system used by the first terminal And the wireless screen software that matches the version information of the operating system used by the first terminal from the plurality of wireless screen softwares respectively supporting the different operating systems stored in the local storage, and Transfer to the first terminal. A data transmission system includes a first terminal, a second terminal, and a wireless screen device; wherein the first terminal includes: a signal receiving unit, configured to receive a handshake signal broadcast by the wireless screen device by using a wireless local network; wherein the handshake signal is used to indicate that at least one terminal that needs to download a wireless screen software returns a response a response unit, configured to: after determining that the first terminal needs to download the wireless screen software, return the response signal to the wireless screen device, so that the wireless screen device reads the information from a local storage device; a wireless screen transmission software, and transmitted to the first terminal; a software receiving unit, configured to receive the wireless screen transmission software transmitted by the wireless screen transmission device; and a data sending unit, configured to: after starting the wireless screen transmission software Transmitting a data file to the wireless screen device; wherein the wireless screen device comprises: a broadcast unit for broadcasting the handshake signal by the wireless local network; and a response receiving unit for receiving the data a response signal returned by a terminal; a software transmission unit, configured to read the wireless screen transmission software from the local storage device, and transmit the wireless transmission screen software to the first terminal; After forwarding unit, configured to receive the first file of the data sent by the terminal, the second terminal is forwarded to the data files; wherein the second terminal for processing the data file.